Workshop Technology In a four high rolling mill, there are four rolls out of which One is working roll and three are backing up rolls All of the four are working rolls Two are working rolls and two are backing up rolls Three are working rolls and one is backing up roll One is working roll and three are backing up rolls All of the four are working rolls Two are working rolls and two are backing up rolls Three are working rolls and one is backing up roll ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The minimum size of a bloom is 15 cm × 15 cm 20 cm × 20 cm 5 cm × 5 cm 10 cm × 10 cm 15 cm × 15 cm 20 cm × 20 cm 5 cm × 5 cm 10 cm × 10 cm ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In welding magnesium with TIG arc welding, direct current with ________ is used. Straight polarity None of these Reversed polarity Both (A) and (B) Straight polarity None of these Reversed polarity Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Green sand is a mixture of 70% sand and 30% clay 90% sand and 10% clay 50% sand and 50% clay 30% sand and 70% clay 70% sand and 30% clay 90% sand and 10% clay 50% sand and 50% clay 30% sand and 70% clay ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Which of the following welding process uses non-consumable electrodes? MIG welding Manual arc welding Submerged arc welding TIG welding MIG welding Manual arc welding Submerged arc welding TIG welding ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The operation of cutting a cylindrical hole in a sheet of metal by the punch and die is called Blanking Shearing Piercing Punching Blanking Shearing Piercing Punching ANSWER DOWNLOAD EXAMIANS APP
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